Team Mio
Solid State Thermostat for Peltier Beverage Temperature Control Team Members Kristian Liwanag Gregory Brady Adrienne Suñer Jackie Floyd Faculty Advisor Dr. Peter Osterberg Industry Representative Steve Westdal, Insitu, Inc. Client Sarah Anderson, Owner, Anna Bananas Cafe
Project Refresher Double-insulated
Project Refresher (Hysteresis) 25°C 55°C 5°C 52°C 58°C 2°C 8°C Heat Off Heat Cool Off Heat Off Cool 7
Design Process
Milestones StatusDescriptionDue DateCompletion Date CompletedCharacterization of Thermocouple, ADC, Peltier Device, and BJT Switches 11/12/201201/24/2013 CompletedRemaining Project Components Ordered and received 01/13/2013 CompletedMacro-model Built01/25/2013 CompletedJanuary Program Review01/25/20131/25/2013 AlmostSystem Model Complete02/15/2013- In ProgressFebruary Program Review02/15/2013
Top Level Block Diagram M(0:5) U(0:2) To LED Displays Analog signal of temperature Digital Temperature Input Clock BJT Switches DC Power Supply (+5V, +12V) ADC 7 7
ADC (cont)
Top Level Block Diagram M(0:5) U(0:2) To LED Displays Analog signal of temperature Digital Temperature Input Clock BJT Switches DC Power Supply (+5V, +12V) ADC 7 7
MOSIS IC Design
Macro Model
Top Level Block Diagram M(0:5) U(0:2) To LED Displays Analog signal of temperature Digital Temperature Input Clock BJT Switches DC Power Supply (+5V, +12V) ADC 7 7
LED Displays
Top Level Block Diagram M(0:5) U(0:2) To LED Displays Analog signal of temperature Digital Temperature Input Clock BJT Switches DC Power Supply (+5V, +12V) ADC 7 7
Demo
Top Level Block Diagram M(0:5) U(0:2) To LED Displays Analog signal of temperature Digital Temperature Input Clock BJT Switches DC Power Supply (+5V, +12V) ADC 7 7
BJT Switch and Peltier Circuit
Demo
Top Level Block Diagram M(0:5) U(0:2) To LED Displays Analog signal of temperature Digital Temperature Input Clock BJT Switches DC Power Supply (+5V, +12V) ADC 7 7
User Interface
Accomplishments Wire-wrapped user interface Macro model simulates MOSIS chip EEPROM programmed ADC circuit functional
Concerns Wire wrapping is tedious Heat dissipation in case
Plans Wire wrap ADC circuitry Wire wrap BJT switch Construct circuitry casing and base contents
Questions? Gregory Brady (Spring Semester Team Lead / Peltier/Arduino) Kristian Liwanag (Fall Semester Team Lead / MOSIS / 555 timer) Adrienne Suñer (Treasurer / Thermocouple / ADC / Cup) Jackie Floyd (Secretary / BJT Switches / Base)